Some Nonlinear Boundary Problems for the Systems of Nonlinear Wave Equations by Finite Slice Method. Journal of Computational Mathematics, [S. l.], v. 3, n. 1, p. 50–71, 1985. Disponível em: https://global-sci.com/index.php/JCM/article/view/10792. Acesso em: 6 dec. 2025.